Version 6.4.10009.0

Fixed: Kernel does not terminate UDP connections opened for any anti-spoofing mail processing rule using DMARC authentication protocol

Fixed: Anti-spoof validation (SPF) queries to domains using compression for data fields are being evaluated incorrectly

Fixed: On Microsoft Exchange Server 2003, Sender Policy Framework (SPF) check routine controls are visible in advanced configuration screen, despite not being available during transport phase for this Operating System

Minor bug-fixes

Version 6.4.10007.0

Added: All nodes of an ESET cluster consisting of ESET Mail Security 6 for Microsoft Exchange Server can now share greylisting records in order to minimize delivery delays across multiple servers.

Fixed: Very long eShell scripts (or endless loops) lead to growing memory allocation due to insufficient memory management.

Fixed: Mail processing rules that can assess real file content of mail attachments could fail if not used at mail transport layer but are applied during on-demand database scan or in connection with mailbox database protection instead.

Fixed: Various other minor fixes and improvements.

Version 6.2.10012.0

Fixed: Application event log shows frequent error identified as "Writing to stream failed" as a result of an issue with internal memory addressing.